Method and apparatus for detecting gun mounting status

Abstract

This application provides a method and an apparatus for detecting an electric charging gun mounting status. In the technical solutions provided in this application, a charging device obtains a first voltage value at a first connection confirmation detection point and a second voltage value at a second connection confirmation detection point in a control and guiding circuit of a first charging gun, and obtains a third voltage value at a first connection confirmation detection point and a fourth voltage value at a second connection confirmation detection point in a control and guiding circuit of a first charging socket; and then determines an electric charging gun mounting status of the first charging gun and an electric charging gun mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value.

1 . A method for detecting a mounting status of a charging device having a first charging gun and a first charging socket, and the method comprising:
 obtaining a first voltage value at a first connection confirmation detection point and a second voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging gun;   obtaining a third voltage value at a first connection confirmation detection point and a fourth voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging socket; and   determining a mounting status of the first charging gun and a mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value.   
     
     
         2 . The method according to  claim 1 , wherein the first charging gun is a direct-current charging gun, and the first charging socket is a direct-current charging socket. 
     
     
         3 . The method according to  claim 2 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value comprises:
 when the first voltage value is 4 volts, the second voltage value is 6 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts, determining that the first charging gun is plugged into the first charging socket and a mechanical lock on the first charging gun is in a released state.   
     
     
         4 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is 6 volts, the third voltage value is 6 volts, and the fourth voltage value is 6 volts, determining that the first charging gun is plugged into the first charging socket and the mechanical lock on the first charging gun is in a pressed state.   
     
     
         5 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 12 volts, the second voltage value is 0 volts, the third voltage value is 0 volts, and the fourth voltage value is 12 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a pressed state.   
     
     
         6 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is 0 volts, the third voltage value is 0 volts, and the fourth voltage value is 12 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a released state.   
     
     
         7 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 12 volts, the second voltage value is 0 volts, the third voltage value is 6 volts, and the fourth voltage value is 6 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a pressed state, that a second charging gun is plugged into the first charging socket and a mechanical lock on the second charging gun is in a pressed state, and that the second charging gun is a charging gun of another power supply device.   
     
     
         8 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 12 volts, the second voltage value is 0 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a pressed state, and that a second charging gun is plugged into the first charging socket and a mechanical lock on the second charging gun is in a released state.   
     
     
         9 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is not 0 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts, determining that the first charging gun is plugged into a second charging socket and the mechanical lock on the first charging gun is in a pressed state, that a second charging gun is plugged into the first charging socket and the a mechanical lock on the second charging gun is in a released state, and that the second charging socket is a charging socket of another device that needs to be charged.   
     
     
         10 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is 0 volts, the third voltage value is 6 volts, and the fourth voltage value is 6 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a released state, and that a second charging gun is plugged into the first charging socket and a mechanical lock on the second charging gun is in a pressed state.   
     
     
         11 . The method according to  claim 3  wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is 0 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts, determining that the first charging gun leaves the first charging socket and the mechanical lock on the first charging gun is in a released state, and that a second charging gun is plugged into the first charging socket and the a mechanical lock on the second charging gun is in a released state. 
 
     
     
         12 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 6 volts, the second voltage value is not 0 volts, the third voltage value is 0 volts, and the fourth voltage value is 12 volts, determining that the first charging gun is plugged into the second charging socket and the first mechanical lock on the first charging gun is in a pressed state, and that no charging gun is plugged into the first charging socket.   
     
     
         13 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 4 volts, the second voltage value is not 0 volts, the third voltage value is 0 volts, and the fourth voltage value is 12 volts, determining that the first charging gun is plugged into the second charging socket and the mechanical lock on the first charging gun is in a released state, and that no charging gun is plugged into the first charging socket.   
     
     
         14 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 4 volts, the second voltage value is not 0 volts, the third voltage value is 6 volts, and the fourth voltage value is 6 volts, determining that the first charging gun is plugged into the second charging socket and the mechanical lock on the first charging gun is in a released state, and that a second charging gun is plugged into the first charging socket and a mechanical lock on the second charging gun is in a pressed state.   
     
     
         15 . The method according to  claim 3 , wherein the determining the mounting status of the first charging gun and the mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value further comprises:
 when the first voltage value is 4 volts, the second voltage value is not 0 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts, determining that the first charging gun is plugged into the second charging socket and the mechanical lock on the first charging gun is in a released state, and that a second charging gun is plugged into the first charging socket and a mechanical lock on the second charging gun is in a released state.   
     
     
         16 . The method according to  claim 2 , wherein the charging device comprises a first controller, the control and guiding circuit of the first charging gun comprises a resistor R 3 , the control and guiding circuit of the first charging socket comprises a resistor R 4 , the second connection confirmation detection point of the first charging gun is connected to the resistor R 3  and the first controller, and the first connection confirmation detection point of the first charging socket is connected to the resistor R 4  and the first controller. 
     
     
         17 . The method according to  claim 1 , wherein the charging device is a mobile charging device. 
     
     
         18 . An apparatus for detecting a mounting status of a charging device having a first charging gun and a first charging socket, the apparatus comprising a memory and a processor, wherein
 the memory is configured to store program instructions; and   the processor is configured to invoke the program instructions in the memory, to:
 obtain a first voltage value at a first connection confirmation detection point and a second voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging gun; 
 obtain a third voltage value at a first connection confirmation detection point and a fourth voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging socket and 
 determine a mounting status of the first charging gun and a mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value. 
   
     
     
         19 . A computer-readable medium, wherein the computer-readable medium stores program code used to be executed by a computer, and the program code comprises instructions used to detect a mounting status of a charging device having a first charging gun and a first charging socket by:
 obtaining a first voltage value at a first connection confirmation detection point and a second voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging gun;   obtaining a third voltage value at a first connection confirmation detection point and a fourth voltage value at a second connection confirmation detection point in a control and guiding circuit of the first charging socket and   determining a mounting status of the first charging gun and a mounting status of the first charging socket based on the first voltage value, the second voltage value, the third voltage value, and the fourth voltage value.   
     
     
         20 . (canceled) 
     
     
         21 . The apparatus of  claim 18 , wherein the processor is further configured to determine that the first charging gun is plugged into the first charging socket and a mechanical lock on the first charging gun is in a released state when the first voltage value is 4 volts, the second voltage value is 6 volts, the third voltage value is 4 volts, and the fourth voltage value is 6 volts.